The Art of the Byzantine Empire 312-1453, Sources and Documents, by Cyril Mango (Englewood Cliffs, N.J., 1972), in 275 searchable and bookmarked pdf pages. This useful book is almost entirely English translations of Byzantine sources about art, with brief categorizations and comments by Mango. Chapters: Constantine (312-337); From Constantine to Justinian (337-527); Justinian (527-65); From Justinian to Iconoclasm (565-726); The Period of Iconoclasm (726-842); The Middle Byzantine Period (843-1204); The Late Byzantine Period (1204-1453). Attached to the document are links to additional resources. Compiled by Robert Bedrosian.